linux-kernel - Re: [PATCH 2/2] phy: qcom-qmp-usb: Add Qualcomm X1E80100 USB3 PHY support

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Message-ID: <ZV36k8AZdy9Zm-rj@hovoldconsulting.com>
Date:   Wed, 22 Nov 2023 13:56:51 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] phy: qcom-qmp-usb: Add Qualcomm X1E80100 USB3 PHY
 support

On Wed, Nov 22, 2023 at 02:05:22PM +0200, Abel Vesa wrote:
> The X1E80100 platform has two instances of the USB3 UNI phy attached
> to the multi-port USB controller, add definition for these.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 152 ++++++++++++++++++++++++++++++++
>  1 file changed, 152 insertions(+)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
> index 02f156298e77..bbeba5722cf0 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
> @@ -24,6 +24,7 @@
>  #include "phy-qcom-qmp-pcs-misc-v4.h"
>  #include "phy-qcom-qmp-pcs-usb-v4.h"
>  #include "phy-qcom-qmp-pcs-usb-v5.h"
> +#include "phy-qcom-qmp-pcs-usb-v7.h"
>  
>  /* QPHY_SW_RESET bit */
>  #define SW_RESET				BIT(0)
> @@ -1138,6 +1139,134 @@ static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_usb_tbl[] = {
>  	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
>  };
>  
> +static const struct qmp_phy_init_tbl x1e80100_usb3_uniphy_serdes_tbl[] = {

These tables and...

> @@ -1411,6 +1540,26 @@ static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = {
>  	.regs			= qmp_v5_usb3phy_regs_layout,
>  };
>  
> +static const struct qmp_phy_cfg x1e80100_usb3_uniphy_cfg = {
> +	.lanes			= 1,
> +
> +	.offsets		= &qmp_usb_offsets_v5,
> +
> +	.serdes_tbl		= x1e80100_usb3_uniphy_serdes_tbl,
> +	.serdes_tbl_num		= ARRAY_SIZE(x1e80100_usb3_uniphy_serdes_tbl),
> +	.tx_tbl			= x1e80100_usb3_uniphy_tx_tbl,
> +	.tx_tbl_num		= ARRAY_SIZE(x1e80100_usb3_uniphy_tx_tbl),
> +	.rx_tbl			= x1e80100_usb3_uniphy_rx_tbl,
> +	.rx_tbl_num		= ARRAY_SIZE(x1e80100_usb3_uniphy_rx_tbl),
> +	.pcs_tbl		= x1e80100_usb3_uniphy_pcs_tbl,
> +	.pcs_tbl_num		= ARRAY_SIZE(x1e80100_usb3_uniphy_pcs_tbl),
> +	.pcs_usb_tbl		= x1e80100_usb3_uniphy_pcs_usb_tbl,
> +	.pcs_usb_tbl_num	= ARRAY_SIZE(x1e80100_usb3_uniphy_pcs_usb_tbl),
> +	.vreg_list		= qmp_phy_vreg_l,
> +	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
> +	.regs			= qmp_v5_usb3phy_regs_layout,
> +};

...this struct no longer looks like they've been added at the right
places.

> +
>  static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
>  	.lanes			= 1,
>  
> @@ -2247,6 +2396,9 @@ static const struct of_device_id qmp_usb_of_match_table[] = {
>  	}, {
>  		.compatible = "qcom,sc8280xp-qmp-usb3-uni-phy",
>  		.data = &sc8280xp_usb3_uniphy_cfg,
> +	}, {
> +		.compatible = "qcom,x1e80100-qmp-usb3-uni-phy",
> +		.data = &x1e80100_usb3_uniphy_cfg,

Same here, please keep the entries sorted by compatible (and please
check your other x1e80100 patches for such issues after changing the SoC
name).

>  	}, {
>  		.compatible = "qcom,sdm845-qmp-usb3-uni-phy",
>  		.data = &qmp_v3_usb3_uniphy_cfg,

Johan